package xds import ( "fmt" "path/filepath" "regexp" "sort" "testing" envoy_rbac_v3 "github.com/envoyproxy/go-control-plane/envoy/config/rbac/v3" envoy_matcher_v3 "github.com/envoyproxy/go-control-plane/envoy/type/matcher/v3" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" "github.com/hashicorp/consul/agent/structs" "github.com/hashicorp/consul/proto/pbpeering" ) func TestRemoveIntentionPrecedence(t *testing.T) { type ixnOpts struct { src string peer string action structs.IntentionAction } testIntention := func(t *testing.T, opts ixnOpts) *structs.Intention { t.Helper() ixn := structs.TestIntention(t) ixn.SourceName = opts.src ixn.SourcePeer = opts.peer ixn.Action = opts.action // Destination is hardcoded, since RBAC rules are generated for a single destination ixn.DestinationName = "api" //nolint:staticcheck ixn.UpdatePrecedence() return ixn } testSourceIntention := func(opts ixnOpts) *structs.Intention { return testIntention(t, opts) } testSourcePermIntention := func(src string, perms ...*structs.IntentionPermission) *structs.Intention { opts := ixnOpts{src: src} ixn := testIntention(t, opts) ixn.Permissions = perms return ixn } sorted := func(ixns ...*structs.Intention) structs.Intentions { sort.SliceStable(ixns, func(i, j int) bool { return ixns[j].Precedence < ixns[i].Precedence }) return structs.Intentions(ixns) } testPeerTrustBundle := map[string]*pbpeering.PeeringTrustBundle{ "peer1": { PeerName: "peer1", TrustDomain: "peer1.domain", ExportedPartition: "part1", }, } testTrustDomain := "test.consul" var ( nameWild = rbacService{ServiceName: structs.NewServiceName("*", nil), TrustDomain: testTrustDomain} nameWeb = rbacService{ServiceName: structs.NewServiceName("web", nil), TrustDomain: testTrustDomain} nameWildPeered = rbacService{ServiceName: structs.NewServiceName("*", nil), Peer: "peer1", TrustDomain: "peer1.domain", ExportedPartition: "part1"} nameWebPeered = rbacService{ServiceName: structs.NewServiceName("web", nil), Peer: "peer1", TrustDomain: "peer1.domain", ExportedPartition: "part1"} permSlashPrefix = &structs.IntentionPermission{ Action: structs.IntentionActionAllow, HTTP: &structs.IntentionHTTPPermission{ PathPrefix: "/", }, } permDenySlashPrefix = &structs.IntentionPermission{ Action: structs.IntentionActionDeny, HTTP: &structs.IntentionHTTPPermission{ PathPrefix: "/", }, } xdsPermSlashPrefix = &envoy_rbac_v3.Permission{ Rule: &envoy_rbac_v3.Permission_UrlPath{ UrlPath: &envoy_matcher_v3.PathMatcher{ Rule: &envoy_matcher_v3.PathMatcher_Path{ Path: &envoy_matcher_v3.StringMatcher{ MatchPattern: &envoy_matcher_v3.StringMatcher_Prefix{ Prefix: "/", }, }, }, }, }, } ) // NOTE: these default=(allow|deny) wild=(allow|deny) path=(allow|deny) // tests below are meant to verify some of the behaviors work as expected // when the default acl mode changes for the system tests := map[string]struct { intentionDefaultAllow bool http bool intentions structs.Intentions expect []*rbacIntention }{ "default-allow-path-allow": { intentionDefaultAllow: true, http: true, intentions: sorted( testSourcePermIntention("web", permSlashPrefix), ), expect: []*rbacIntention{}, // EMPTY, just use the defaults }, "default-deny-path-allow": { intentionDefaultAllow: false, http: true, intentions: sorted( testSourcePermIntention("web", permSlashPrefix), ), expect: []*rbacIntention{ { Source: nameWeb, Action: intentionActionLayer7, Permissions: []*rbacPermission{ { Definition: permSlashPrefix, Action: intentionActionAllow, Perm: xdsPermSlashPrefix, NotPerms: nil, Skip: false, ComputedPermission: xdsPermSlashPrefix, }, }, Precedence: 9, Skip: false, ComputedPrincipal: idPrincipal(nameWeb), }, }, }, "default-allow-path-deny": { intentionDefaultAllow: true, http: true, intentions: sorted( testSourcePermIntention("web", permDenySlashPrefix), ), expect: []*rbacIntention{ { Source: nameWeb, Action: intentionActionLayer7, Permissions: []*rbacPermission{ { Definition: permDenySlashPrefix, Action: intentionActionDeny, Perm: xdsPermSlashPrefix, NotPerms: nil, Skip: false, ComputedPermission: xdsPermSlashPrefix, }, }, Precedence: 9, Skip: false, ComputedPrincipal: idPrincipal(nameWeb), }, }, }, "default-deny-path-deny": { intentionDefaultAllow: false, http: true, intentions: sorted( testSourcePermIntention("web", permDenySlashPrefix), ), expect: []*rbacIntention{}, }, // ======================== "default-allow-deny-all-and-path-allow": { intentionDefaultAllow: true, http: true, intentions: sorted( testSourcePermIntention("web", permSlashPrefix), testSourceIntention(ixnOpts{src: "*", action: structs.IntentionActionDeny}), ), expect: []*rbacIntention{ { Source: nameWild, NotSources: []rbacService{ nameWeb, }, Action: intentionActionDeny, Permissions: nil, Precedence: 8, Skip: false, ComputedPrincipal: andPrincipals( []*envoy_rbac_v3.Principal{ idPrincipal(nameWild), notPrincipal( idPrincipal(nameWeb), ), }, ), }, }, }, "default-deny-deny-all-and-path-allow": { intentionDefaultAllow: false, http: true, intentions: sorted( testSourcePermIntention("web", permSlashPrefix), testSourceIntention(ixnOpts{src: "*", action: structs.IntentionActionDeny}), ), expect: []*rbacIntention{ { Source: nameWeb, Action: intentionActionLayer7, Permissions: []*rbacPermission{ { Definition: permSlashPrefix, Action: intentionActionAllow, Perm: xdsPermSlashPrefix, NotPerms: nil, Skip: false, ComputedPermission: xdsPermSlashPrefix, }, }, Precedence: 9, Skip: false, ComputedPrincipal: idPrincipal(nameWeb), }, }, }, "default-allow-deny-all-and-path-deny": { intentionDefaultAllow: true, http: true, intentions: sorted( testSourcePermIntention("web", permDenySlashPrefix), testSourceIntention(ixnOpts{src: "*", action: structs.IntentionActionDeny}), ), expect: []*rbacIntention{ { Source: nameWeb, Action: intentionActionLayer7, Permissions: []*rbacPermission{ { Definition: permDenySlashPrefix, Action: intentionActionDeny, Perm: xdsPermSlashPrefix, NotPerms: nil, Skip: false, ComputedPermission: xdsPermSlashPrefix, }, }, Precedence: 9, Skip: false, ComputedPrincipal: idPrincipal(nameWeb), }, { Source: nameWild, NotSources: []rbacService{ nameWeb, }, Action: intentionActionDeny, Permissions: nil, Precedence: 8, Skip: false, ComputedPrincipal: andPrincipals( []*envoy_rbac_v3.Principal{ idPrincipal(nameWild), notPrincipal( idPrincipal(nameWeb), ), }, ), }, }, }, "default-deny-deny-all-and-path-deny": { intentionDefaultAllow: false, http: true, intentions: sorted( testSourcePermIntention("web", permDenySlashPrefix), testSourceIntention(ixnOpts{src: "*", action: structs.IntentionActionDeny}), ), expect: []*rbacIntention{}, }, // ======================== "default-allow-allow-all-and-path-allow": { intentionDefaultAllow: true, http: true, intentions: sorted( testSourcePermIntention("web", permSlashPrefix), testSourceIntention(ixnOpts{src: "*", action: structs.IntentionActionAllow}), ), expect: []*rbacIntention{}, }, "default-deny-allow-all-and-path-allow": { intentionDefaultAllow: false, http: true, intentions: sorted( testSourcePermIntention("web", permSlashPrefix), testSourceIntention(ixnOpts{src: "*", action: structs.IntentionActionAllow}), ), expect: []*rbacIntention{ { Source: nameWeb, Action: intentionActionLayer7, Permissions: []*rbacPermission{ { Definition: permSlashPrefix, Action: intentionActionAllow, Perm: xdsPermSlashPrefix, NotPerms: nil, Skip: false, ComputedPermission: xdsPermSlashPrefix, }, }, Precedence: 9, Skip: false, ComputedPrincipal: idPrincipal(nameWeb), }, { Source: nameWild, NotSources: []rbacService{ nameWeb, }, Action: intentionActionAllow, Permissions: nil, Precedence: 8, Skip: false, ComputedPrincipal: andPrincipals( []*envoy_rbac_v3.Principal{ idPrincipal(nameWild), notPrincipal( idPrincipal(nameWeb), ), }, ), }, }, }, "default-allow-allow-all-and-path-deny": { intentionDefaultAllow: true, http: true, intentions: sorted( testSourcePermIntention("web", permDenySlashPrefix), testSourceIntention(ixnOpts{src: "*", action: structs.IntentionActionAllow}), ), expect: []*rbacIntention{ { Source: nameWeb, Action: intentionActionLayer7, Permissions: []*rbacPermission{ { Definition: permDenySlashPrefix, Action: intentionActionDeny, Perm: xdsPermSlashPrefix, NotPerms: nil, Skip: false, ComputedPermission: xdsPermSlashPrefix, }, }, Precedence: 9, Skip: false, ComputedPrincipal: idPrincipal(nameWeb), }, }, }, "default-deny-allow-all-and-path-deny": { intentionDefaultAllow: false, http: true, intentions: sorted( testSourcePermIntention("web", permDenySlashPrefix), testSourceIntention(ixnOpts{src: "*", action: structs.IntentionActionAllow}), ), expect: []*rbacIntention{ { Source: nameWild, NotSources: []rbacService{ nameWeb, }, Action: intentionActionAllow, Permissions: nil, Precedence: 8, Skip: false, ComputedPrincipal: andPrincipals( []*envoy_rbac_v3.Principal{ idPrincipal(nameWild), notPrincipal( idPrincipal(nameWeb), ), }, ), }, }, }, // ========= Sanity check that peers get passed through "default-deny-peered": { intentionDefaultAllow: false, http: true, intentions: sorted( testSourceIntention(ixnOpts{ src: "*", action: structs.IntentionActionAllow, peer: "peer1", }), testSourceIntention(ixnOpts{ src: "web", action: structs.IntentionActionAllow, peer: "peer1", }), ), expect: []*rbacIntention{ { Source: nameWebPeered, Action: intentionActionAllow, Permissions: nil, Precedence: 9, Skip: false, ComputedPrincipal: idPrincipal(nameWebPeered), }, { Source: nameWildPeered, Action: intentionActionAllow, NotSources: []rbacService{ nameWebPeered, }, Permissions: nil, Precedence: 8, Skip: false, ComputedPrincipal: andPrincipals( []*envoy_rbac_v3.Principal{ idPrincipal(nameWildPeered), notPrincipal( idPrincipal(nameWebPeered), ), }, ), }, }, }, } testLocalInfo := rbacLocalInfo{ trustDomain: testTrustDomain, datacenter: "dc1", } for name, tt := range tests { t.Run(name, func(t *testing.T) { rbacIxns := intentionListToIntermediateRBACForm(tt.intentions, testLocalInfo, tt.http, testPeerTrustBundle) intentionDefaultAction := intentionActionFromBool(tt.intentionDefaultAllow) rbacIxns = removeIntentionPrecedence(rbacIxns, intentionDefaultAction, testLocalInfo) require.Equal(t, tt.expect, rbacIxns) }) } } func TestMakeRBACNetworkAndHTTPFilters(t *testing.T) { testIntention := func(t *testing.T, src, dst string, action structs.IntentionAction) *structs.Intention { t.Helper() ixn := structs.TestIntention(t) ixn.SourceName = src ixn.DestinationName = dst ixn.Action = action //nolint:staticcheck ixn.UpdatePrecedence() return ixn } testSourceIntention := func(src string, action structs.IntentionAction) *structs.Intention { return testIntention(t, src, "api", action) } testIntentionPeered := func(src string, peer string, action structs.IntentionAction) *structs.Intention { ixn := testIntention(t, src, "api", action) ixn.SourcePeer = peer return ixn } testSourcePermIntention := func(src string, perms ...*structs.IntentionPermission) *structs.Intention { ixn := testIntention(t, src, "api", "") ixn.Permissions = perms return ixn } testPeerTrustBundle := []*pbpeering.PeeringTrustBundle{ { PeerName: "peer1", TrustDomain: "peer1.domain", ExportedPartition: "part1", }, } testTrustDomain := "test.consul" sorted := func(ixns ...*structs.Intention) structs.Intentions { sort.SliceStable(ixns, func(i, j int) bool { return ixns[j].Precedence < ixns[i].Precedence }) return structs.Intentions(ixns) } var ( permSlashPrefix = &structs.IntentionPermission{ Action: structs.IntentionActionAllow, HTTP: &structs.IntentionHTTPPermission{ PathPrefix: "/", }, } permDenySlashPrefix = &structs.IntentionPermission{ Action: structs.IntentionActionDeny, HTTP: &structs.IntentionHTTPPermission{ PathPrefix: "/", }, } ) tests := map[string]struct { intentionDefaultAllow bool intentions structs.Intentions }{ "default-deny-mixed-precedence": { intentionDefaultAllow: false, intentions: sorted( testIntention(t, "web", "api", structs.IntentionActionAllow), testIntention(t, "*", "api", structs.IntentionActionDeny), testIntention(t, "web", "*", structs.IntentionActionDeny), ), }, "default-deny-service-wildcard-allow": { intentionDefaultAllow: false, intentions: sorted( testSourceIntention("*", structs.IntentionActionAllow), ), }, "default-allow-service-wildcard-deny": { intentionDefaultAllow: true, intentions: sorted( testSourceIntention("*", structs.IntentionActionDeny), ), }, "default-deny-one-allow": { intentionDefaultAllow: false, intentions: sorted( testSourceIntention("web", structs.IntentionActionAllow), ), }, "default-allow-one-deny": { intentionDefaultAllow: true, intentions: sorted( testSourceIntention("web", structs.IntentionActionDeny), ), }, "default-deny-allow-deny": { intentionDefaultAllow: false, intentions: sorted( testSourceIntention("web", structs.IntentionActionDeny), testSourceIntention("*", structs.IntentionActionAllow), ), }, "default-deny-kitchen-sink": { intentionDefaultAllow: false, intentions: sorted( // (double exact) testSourceIntention("web", structs.IntentionActionAllow), testSourceIntention("unsafe", structs.IntentionActionDeny), testSourceIntention("cron", structs.IntentionActionAllow), testSourceIntention("*", structs.IntentionActionAllow), ), }, "default-allow-kitchen-sink": { intentionDefaultAllow: true, intentions: sorted( // (double exact) testSourceIntention("web", structs.IntentionActionDeny), testSourceIntention("unsafe", structs.IntentionActionAllow), testSourceIntention("cron", structs.IntentionActionDeny), testSourceIntention("*", structs.IntentionActionDeny), ), }, "default-deny-peered-kitchen-sink": { intentionDefaultAllow: false, intentions: sorted( testSourceIntention("web", structs.IntentionActionAllow), testIntentionPeered("*", "peer1", structs.IntentionActionAllow), testIntentionPeered("web", "peer1", structs.IntentionActionDeny), ), }, // ======================== "default-allow-path-allow": { intentionDefaultAllow: true, intentions: sorted( testSourcePermIntention("web", permSlashPrefix), ), }, "default-deny-path-allow": { intentionDefaultAllow: false, intentions: sorted( testSourcePermIntention("web", permSlashPrefix), ), }, "default-allow-path-deny": { intentionDefaultAllow: true, intentions: sorted( testSourcePermIntention("web", permDenySlashPrefix), ), }, "default-deny-path-deny": { intentionDefaultAllow: false, intentions: sorted( testSourcePermIntention("web", permDenySlashPrefix), ), }, // ======================== "default-allow-deny-all-and-path-allow": { intentionDefaultAllow: true, intentions: sorted( testSourcePermIntention("web", &structs.IntentionPermission{ Action: structs.IntentionActionAllow, HTTP: &structs.IntentionHTTPPermission{ PathPrefix: "/", }, }, ), testSourceIntention("*", structs.IntentionActionDeny), ), }, "default-deny-deny-all-and-path-allow": { intentionDefaultAllow: false, intentions: sorted( testSourcePermIntention("web", &structs.IntentionPermission{ Action: structs.IntentionActionAllow, HTTP: &structs.IntentionHTTPPermission{ PathPrefix: "/", }, }, ), testSourceIntention("*", structs.IntentionActionDeny), ), }, "default-allow-deny-all-and-path-deny": { intentionDefaultAllow: true, intentions: sorted( testSourcePermIntention("web", &structs.IntentionPermission{ Action: structs.IntentionActionDeny, HTTP: &structs.IntentionHTTPPermission{ PathPrefix: "/", }, }, ), testSourceIntention("*", structs.IntentionActionDeny), ), }, "default-deny-deny-all-and-path-deny": { intentionDefaultAllow: false, intentions: sorted( testSourcePermIntention("web", &structs.IntentionPermission{ Action: structs.IntentionActionDeny, HTTP: &structs.IntentionHTTPPermission{ PathPrefix: "/", }, }, ), testSourceIntention("*", structs.IntentionActionDeny), ), }, // ======================== "default-deny-two-path-deny-and-path-allow": { intentionDefaultAllow: false, intentions: sorted( testSourcePermIntention("web", &structs.IntentionPermission{ Action: structs.IntentionActionDeny, HTTP: &structs.IntentionHTTPPermission{ PathExact: "/v1/secret", }, }, &structs.IntentionPermission{ Action: structs.IntentionActionDeny, HTTP: &structs.IntentionHTTPPermission{ PathExact: "/v1/admin", }, }, &structs.IntentionPermission{ Action: structs.IntentionActionAllow, HTTP: &structs.IntentionHTTPPermission{ PathPrefix: "/", }, }, ), ), }, "default-allow-two-path-deny-and-path-allow": { intentionDefaultAllow: true, intentions: sorted( testSourcePermIntention("web", &structs.IntentionPermission{ Action: structs.IntentionActionDeny, HTTP: &structs.IntentionHTTPPermission{ PathExact: "/v1/secret", }, }, &structs.IntentionPermission{ Action: structs.IntentionActionDeny, HTTP: &structs.IntentionHTTPPermission{ PathExact: "/v1/admin", }, }, &structs.IntentionPermission{ Action: structs.IntentionActionAllow, HTTP: &structs.IntentionHTTPPermission{ PathPrefix: "/", }, }, ), ), }, "default-deny-single-intention-with-kitchen-sink-perms": { intentionDefaultAllow: false, intentions: sorted( testSourcePermIntention("web", &structs.IntentionPermission{ Action: structs.IntentionActionDeny, HTTP: &structs.IntentionHTTPPermission{ PathExact: "/v1/secret", }, }, &structs.IntentionPermission{ Action: structs.IntentionActionAllow, HTTP: &structs.IntentionHTTPPermission{ PathPrefix: "/v1", }, }, &structs.IntentionPermission{ Action: structs.IntentionActionAllow, HTTP: &structs.IntentionHTTPPermission{ PathRegex: "/v[123]", Methods: []string{"GET", "HEAD", "OPTIONS"}, }, }, &structs.IntentionPermission{ Action: structs.IntentionActionAllow, HTTP: &structs.IntentionHTTPPermission{ Header: []structs.IntentionHTTPHeaderPermission{ {Name: "x-foo", Present: true}, {Name: "x-bar", Exact: "xyz"}, {Name: "x-dib", Prefix: "gaz"}, {Name: "x-gir", Suffix: "zim"}, {Name: "x-zim", Regex: "gi[rR]"}, {Name: "z-foo", Present: true, Invert: true}, {Name: "z-bar", Exact: "xyz", Invert: true}, {Name: "z-dib", Prefix: "gaz", Invert: true}, {Name: "z-gir", Suffix: "zim", Invert: true}, {Name: "z-zim", Regex: "gi[rR]", Invert: true}, }, }, }, ), ), }, "default-allow-single-intention-with-kitchen-sink-perms": { intentionDefaultAllow: true, intentions: sorted( testSourcePermIntention("web", &structs.IntentionPermission{ Action: structs.IntentionActionAllow, HTTP: &structs.IntentionHTTPPermission{ PathExact: "/v1/secret", }, }, &structs.IntentionPermission{ Action: structs.IntentionActionDeny, HTTP: &structs.IntentionHTTPPermission{ PathPrefix: "/v1", }, }, &structs.IntentionPermission{ Action: structs.IntentionActionDeny, HTTP: &structs.IntentionHTTPPermission{ PathRegex: "/v[123]", Methods: []string{"GET", "HEAD", "OPTIONS"}, }, }, &structs.IntentionPermission{ Action: structs.IntentionActionDeny, HTTP: &structs.IntentionHTTPPermission{ Header: []structs.IntentionHTTPHeaderPermission{ {Name: "x-foo", Present: true}, {Name: "x-bar", Exact: "xyz"}, {Name: "x-dib", Prefix: "gaz"}, {Name: "x-gir", Suffix: "zim"}, {Name: "x-zim", Regex: "gi[rR]"}, {Name: "z-foo", Present: true, Invert: true}, {Name: "z-bar", Exact: "xyz", Invert: true}, {Name: "z-dib", Prefix: "gaz", Invert: true}, {Name: "z-gir", Suffix: "zim", Invert: true}, {Name: "z-zim", Regex: "gi[rR]", Invert: true}, }, }, }, ), ), }, } testLocalInfo := rbacLocalInfo{ trustDomain: testTrustDomain, datacenter: "dc1", } for name, tt := range tests { tt := tt t.Run(name, func(t *testing.T) { t.Run("network filter", func(t *testing.T) { filter, err := makeRBACNetworkFilter(tt.intentions, tt.intentionDefaultAllow, testLocalInfo, testPeerTrustBundle) require.NoError(t, err) t.Run("current", func(t *testing.T) { gotJSON := protoToJSON(t, filter) require.JSONEq(t, goldenSimple(t, filepath.Join("rbac", name), gotJSON), gotJSON) }) }) t.Run("http filter", func(t *testing.T) { filter, err := makeRBACHTTPFilter(tt.intentions, tt.intentionDefaultAllow, testLocalInfo, testPeerTrustBundle) require.NoError(t, err) t.Run("current", func(t *testing.T) { gotJSON := protoToJSON(t, filter) require.JSONEq(t, goldenSimple(t, filepath.Join("rbac", name+"--httpfilter"), gotJSON), gotJSON) }) }) }) } } func TestRemoveSameSourceIntentions(t *testing.T) { testIntention := func(t *testing.T, src, dst string) *structs.Intention { t.Helper() ixn := structs.TestIntention(t) ixn.SourceName = src ixn.DestinationName = dst //nolint:staticcheck ixn.UpdatePrecedence() return ixn } testIntentionPeered := func(t *testing.T, src, dst, peer string) *structs.Intention { t.Helper() ixn := structs.TestIntention(t) ixn.SourceName = src ixn.SourcePeer = peer ixn.DestinationName = dst //nolint:staticcheck ixn.UpdatePrecedence() return ixn } sorted := func(ixns ...*structs.Intention) structs.Intentions { sort.SliceStable(ixns, func(i, j int) bool { return ixns[j].Precedence < ixns[i].Precedence }) return structs.Intentions(ixns) } tests := map[string]struct { in structs.Intentions expect structs.Intentions }{ "empty": {}, "one": { in: sorted( testIntention(t, "*", "*"), ), expect: sorted( testIntention(t, "*", "*"), ), }, "two with no match": { in: sorted( testIntention(t, "*", "foo"), testIntention(t, "bar", "*"), ), expect: sorted( testIntention(t, "*", "foo"), testIntention(t, "bar", "*"), ), }, "two with match, exact": { in: sorted( testIntention(t, "bar", "foo"), testIntention(t, "bar", "*"), ), expect: sorted( testIntention(t, "bar", "foo"), ), }, "two with match, wildcard": { in: sorted( testIntention(t, "*", "foo"), testIntention(t, "*", "*"), ), expect: sorted( testIntention(t, "*", "foo"), ), }, "kitchen sink with peers": { in: sorted( testIntention(t, "bar", "foo"), testIntentionPeered(t, "bar", "foo", "peer1"), testIntentionPeered(t, "bar", "*", "peer1"), testIntentionPeered(t, "*", "foo", "peer1"), testIntentionPeered(t, "*", "*", "peer1"), ), expect: sorted( testIntention(t, "bar", "foo"), testIntentionPeered(t, "bar", "foo", "peer1"), testIntentionPeered(t, "*", "foo", "peer1"), ), }, } for name, tc := range tests { tc := tc t.Run(name, func(t *testing.T) { got := removeSameSourceIntentions(tc.in) require.Equal(t, tc.expect, got) }) } } func TestSimplifyNotSourceSlice(t *testing.T) { tests := map[string]struct { in []string expect []string }{ "empty": {}, "one": { []string{"bar"}, []string{"bar"}, }, "two with no match": { []string{"foo", "bar"}, []string{"foo", "bar"}, }, "two with match": { []string{"*", "bar"}, []string{"*"}, }, "three with two matches down to one": { []string{"*", "foo", "bar"}, []string{"*"}, }, } for name, tc := range tests { tc := tc t.Run(name, func(t *testing.T) { got := simplifyNotSourceSlice(makeServiceNameSlice(tc.in)) require.Equal(t, makeServiceNameSlice(tc.expect), got) }) } } func TestIxnSourceMatches(t *testing.T) { tests := []struct { tester string testerPeer string against string againstPeer string matches bool }{ // identical precedence {"web", "", "api", "", false}, {"*", "", "*", "", false}, // backwards precedence {"*", "", "web", "", false}, // name wildcards {"web", "", "*", "", true}, // peered cmp peered {"web", "peer1", "api", "peer1", false}, {"*", "peer1", "*", "peer1", false}, // no match if peer is different {"web", "peer1", "web", "", false}, {"*", "peer1", "*", "peer2", false}, // name wildcards with peer {"web", "peer1", "*", "peer1", true}, } for _, tc := range tests { t.Run(fmt.Sprintf("%s%s cmp %s%s", tc.testerPeer, tc.tester, tc.againstPeer, tc.against), func(t *testing.T) { matches := ixnSourceMatches( rbacService{ServiceName: structs.ServiceNameFromString(tc.tester), Peer: tc.testerPeer}, rbacService{ServiceName: structs.ServiceNameFromString(tc.against), Peer: tc.againstPeer}, ) assert.Equal(t, tc.matches, matches) }) } } func makeServiceNameSlice(slice []string) []rbacService { if len(slice) == 0 { return nil } var out []rbacService for _, src := range slice { out = append(out, rbacService{ServiceName: structs.ServiceNameFromString(src)}) } return out } func TestSpiffeMatcher(t *testing.T) { cases := map[string]struct { xfcc string trustDomain string namespace string partition string datacenter string service string }{ "between admin partitions": { xfcc: `By=spiffe://70c72965-291c-d138-e5a6-cfd8a66b395e.consul/ap/ap1/ns/default/dc/primary/svc/s2;Hash=377330adafa619abe52672246b7be7410d74b7497e9d88a8396d641fd6f82ad2;Cert="-----BEGIN%20CERTIFICATE-----%0AMIICGTCCAb%2BgAwIBAgIBCzAKBggqhkjOPQQDAjAwMS4wLAYDVQQDEyVwcmktMTJj%0AOWtvbS5jb25zdWwuY2EuNzBjNzI5NjUuY29uc3VsMB4XDTIyMTIyMjE0MjE1NVoX%0ADTIyMTIyNTE0MjE1NVowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABPuJbVdQ%0AYsT8RnvMLT%2FpsuZwltWbCkwxzBR03%2FEC4f7TyLy1Mfe6gm%2Fz5K8Tc29d7W16PBT0%0AR%2B1XPfpigopVanyjgfkwgfYwDgYDVR0PAQH%2FBAQDAgO4MB0GA1UdJQQWMBQGCCsG%0AAQUFBwMCBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMCkGA1UdDgQiBCBBxpy1QXfp%0AS4V8QFH%2BEfF39VP51Qbhlj75N5gbUSxGajArBgNVHSMEJDAigCCjWP%2BlGhzd4jbD%0A2QI66cvAAgIkLqG0lz0PyzTz76QoOzBfBgNVHREBAf8EVTBThlFzcGlmZmU6Ly83%0AMGM3Mjk2NS0yOTFjLWQxMzgtZTVhNi1jZmQ4YTY2YjM5NWUuY29uc3VsL25zL2Rl%0AZmF1bHQvZGMvcHJpbWFyeS9zdmMvczEwCgYIKoZIzj0EAwIDSAAwRQIhAJxWHplX%0Aqgmd4cRDMllJsCtOmTZ3v%2B6qDnc545tm%2Bg%2FzAiBwWOqqTZ81BtAtzzWpip1XmUFR%0Afv2SYupWQueXYrOjhw%3D%3D%0A-----END%20CERTIFICATE-----%0A";Chain="-----BEGIN%20CERTIFICATE-----%0AMIICGTCCAb%2BgAwIBAgIBCzAKBggqhkjOPQQDAjAwMS4wLAYDVQQDEyVwcmktMTJj%0AOWtvbS5jb25zdWwuY2EuNzBjNzI5NjUuY29uc3VsMB4XDTIyMTIyMjE0MjE1NVoX%0ADTIyMTIyNTE0MjE1NVowADBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABPuJbVdQ%0AYsT8RnvMLT%2FpsuZwltWbCkwxzBR03%2FEC4f7TyLy1Mfe6gm%2Fz5K8Tc29d7W16PBT0%0AR%2B1XPfpigopVanyjgfkwgfYwDgYDVR0PAQH%2FBAQDAgO4MB0GA1UdJQQWMBQGCCsG%0AAQUFBwMCBggrBgEFBQcDATAMBgNVHRMBAf8EAjAAMCkGA1UdDgQiBCBBxpy1QXfp%0AS4V8QFH%2BEfF39VP51Qbhlj75N5gbUSxGajArBgNVHSMEJDAigCCjWP%2BlGhzd4jbD%0A2QI66cvAAgIkLqG0lz0PyzTz76QoOzBfBgNVHREBAf8EVTBThlFzcGlmZmU6Ly83%0AMGM3Mjk2NS0yOTFjLWQxMzgtZTVhNi1jZmQ4YTY2YjM5NWUuY29uc3VsL25zL2Rl%0AZmF1bHQvZGMvcHJpbWFyeS9zdmMvczEwCgYIKoZIzj0EAwIDSAAwRQIhAJxWHplX%0Aqgmd4cRDMllJsCtOmTZ3v%2B6qDnc545tm%2Bg%2FzAiBwWOqqTZ81BtAtzzWpip1XmUFR%0Afv2SYupWQueXYrOjhw%3D%3D%0A-----END%20CERTIFICATE-----%0A";Subject="";URI=spiffe://70c72965-291c-d138-e5a6-cfd8a66b395e.consul/ap/ap9/ns/default/dc/primary/svc/s1`, trustDomain: "70c72965-291c-d138-e5a6-cfd8a66b395e.consul", namespace: "default", partition: "ap9", datacenter: "primary", service: "s1", }, "between services": { xfcc: `By=spiffe://f1efe25e-a9b1-1ae1-b580-98000b84a935.consul/ns/default/dc/primary/svc/s2;Hash=c552ee3990fd6e9bb38b1a8bdd28e8358c339d282e6bb92fc86d04915407f47d;Cert="-----BEGIN%20CERTIFICATE-----%0AMIICGjCCAcCgAwIBAgIBCzAKBggqhkjOPQQDAjAxMS8wLQYDVQQDEyZwcmktOGFt%0AMjNueXouY29uc3VsLmNhLmYxZWZlMjVlLmNvbnN1bDAeFw0yMjEyMjIxNTIxMDVa%0AFw0yMjEyMjUxNTIxMDVaMAAwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAASrChLh%0AelrBB5e8X78fSvbKxD8yieadFg4XUeJtZh2xwdWckCGDEtT984ihgM8Hu4E%2FGpgD%0AJcExohFnS4H%2BG3uco4H5MIH2MA4GA1UdDwEB%2FwQEAwIDuDAdBgNVHSUEFjAUBggr%0ABgEFBQcDAgYIKwYBBQUHAwEwDAYDVR0TAQH%2FBAIwADApBgNVHQ4EIgQghpyuV%2F4g%0Ac6x%2B5jC9uOZQMY4Km2YZwAnSmmTydjjn7qwwKwYDVR0jBCQwIoAgdO0jdTJzfKYq%0ARCYrWbHr7q%2Bq66ispOnMs6HsEwlxV%2F8wXwYDVR0RAQH%2FBFUwU4ZRc3BpZmZlOi8v%0AZjFlZmUyNWUtYTliMS0xYWUxLWI1ODAtOTgwMDBiODRhOTM1LmNvbnN1bC9ucy9k%0AZWZhdWx0L2RjL3ByaW1hcnkvc3ZjL3MxMAoGCCqGSM49BAMCA0gAMEUCIQDTNsze%0AXCj16YvFsX0PUeUBcX4Hh0nmIkMOHCQiPkXTiAIgKJKf038s6muFJw9UQJJ5SSg%2F%0A3RL1wIWXRhsqy1Y89JQ%3D%0A-----END%20CERTIFICATE-----%0A";Chain="-----BEGIN%20CERTIFICATE-----%0AMIICGjCCAcCgAwIBAgIBCzAKBggqhkjOPQQDAjAxMS8wLQYDVQQDEyZwcmktOGFt%0AMjNueXouY29uc3VsLmNhLmYxZWZlMjVlLmNvbnN1bDAeFw0yMjEyMjIxNTIxMDVa%0AFw0yMjEyMjUxNTIxMDVaMAAwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAASrChLh%0AelrBB5e8X78fSvbKxD8yieadFg4XUeJtZh2xwdWckCGDEtT984ihgM8Hu4E%2FGpgD%0AJcExohFnS4H%2BG3uco4H5MIH2MA4GA1UdDwEB%2FwQEAwIDuDAdBgNVHSUEFjAUBggr%0ABgEFBQcDAgYIKwYBBQUHAwEwDAYDVR0TAQH%2FBAIwADApBgNVHQ4EIgQghpyuV%2F4g%0Ac6x%2B5jC9uOZQMY4Km2YZwAnSmmTydjjn7qwwKwYDVR0jBCQwIoAgdO0jdTJzfKYq%0ARCYrWbHr7q%2Bq66ispOnMs6HsEwlxV%2F8wXwYDVR0RAQH%2FBFUwU4ZRc3BpZmZlOi8v%0AZjFlZmUyNWUtYTliMS0xYWUxLWI1ODAtOTgwMDBiODRhOTM1LmNvbnN1bC9ucy9k%0AZWZhdWx0L2RjL3ByaW1hcnkvc3ZjL3MxMAoGCCqGSM49BAMCA0gAMEUCIQDTNsze%0AXCj16YvFsX0PUeUBcX4Hh0nmIkMOHCQiPkXTiAIgKJKf038s6muFJw9UQJJ5SSg%2F%0A3RL1wIWXRhsqy1Y89JQ%3D%0A-----END%20CERTIFICATE-----%0A";Subject="";URI=spiffe://f1efe25e-a9b1-1ae1-b580-98000b84a935.consul/ns/default/dc/primary/svc/s1`, trustDomain: "f1efe25e-a9b1-1ae1-b580-98000b84a935.consul", namespace: "default", datacenter: "primary", service: "s1", }, "between peers": { xfcc: `By=spiffe://ca9857da-71aa-c5be-ec8f-abcd90cae693.consul/gateway/mesh/dc/alpha;Hash=419c850ddc7a32edc752d73bb0f0c6e4c2f5b40feae7cf0cdeeb6f3dd759ed1f;Cert="-----BEGIN%20CERTIFICATE-----%0AMIICGzCCAcCgAwIBAgIBCzAKBggqhkjOPQQDAjAxMS8wLQYDVQQDEyZwcmktcTgw%0AdmcxMXQuY29uc3VsLmNhLmZjOWEwOGVmLmNvbnN1bDAeFw0yMjEyMjIxNTIyNTBa%0AFw0yMjEyMjUxNTIyNTBaMAAwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAAQnQtQ6%0AFS%2FqjpopxZIaJtYL3pOx%2BgrzoLtKStCS0SUtGbTBmxmTeIX5l5HHD4yqCWk4M1Iv%0AXNflWvKcpw5KS1tLo4H5MIH2MA4GA1UdDwEB%2FwQEAwIDuDAdBgNVHSUEFjAUBggr%0ABgEFBQcDAgYIKwYBBQUHAwEwDAYDVR0TAQH%2FBAIwADApBgNVHQ4EIgQg%2B8FyVm2p%0AdpzfijuCYeByJQH5mUkqY6%2FciCC2yScNusQwKwYDVR0jBCQwIoAgy0MyubT%2BMNQv%0A%2BuZGeBqa1yU9Fx9641epfbY%2BuSs7cbowXwYDVR0RAQH%2FBFUwU4ZRc3BpZmZlOi8v%0AZmM5YTA4ZWYtZWZiNC1iYmM5LWIzZWMtYjkzZTc2OGFiZmMyLmNvbnN1bC9ucy9k%0AZWZhdWx0L2RjL3ByaW1hcnkvc3ZjL3MxMAoGCCqGSM49BAMCA0kAMEYCIQDp7hX0%0AJ%2FjrAP71jDt2w3uKQJnfZ93d%2FRub2t%2FRwQfsVAIhAL4VUbk5XUvBzwabuEfMCf4O%0AT5rjXDbCWYNN2m4xZFtt%0A-----END%20CERTIFICATE-----%0A";Chain="-----BEGIN%20CERTIFICATE-----%0AMIICGzCCAcCgAwIBAgIBCzAKBggqhkjOPQQDAjAxMS8wLQYDVQQDEyZwcmktcTgw%0AdmcxMXQuY29uc3VsLmNhLmZjOWEwOGVmLmNvbnN1bDAeFw0yMjEyMjIxNTIyNTBa%0AFw0yMjEyMjUxNTIyNTBaMAAwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAAQnQtQ6%0AFS%2FqjpopxZIaJtYL3pOx%2BgrzoLtKStCS0SUtGbTBmxmTeIX5l5HHD4yqCWk4M1Iv%0AXNflWvKcpw5KS1tLo4H5MIH2MA4GA1UdDwEB%2FwQEAwIDuDAdBgNVHSUEFjAUBggr%0ABgEFBQcDAgYIKwYBBQUHAwEwDAYDVR0TAQH%2FBAIwADApBgNVHQ4EIgQg%2B8FyVm2p%0AdpzfijuCYeByJQH5mUkqY6%2FciCC2yScNusQwKwYDVR0jBCQwIoAgy0MyubT%2BMNQv%0A%2BuZGeBqa1yU9Fx9641epfbY%2BuSs7cbowXwYDVR0RAQH%2FBFUwU4ZRc3BpZmZlOi8v%0AZmM5YTA4ZWYtZWZiNC1iYmM5LWIzZWMtYjkzZTc2OGFiZmMyLmNvbnN1bC9ucy9k%0AZWZhdWx0L2RjL3ByaW1hcnkvc3ZjL3MxMAoGCCqGSM49BAMCA0kAMEYCIQDp7hX0%0AJ%2FjrAP71jDt2w3uKQJnfZ93d%2FRub2t%2FRwQfsVAIhAL4VUbk5XUvBzwabuEfMCf4O%0AT5rjXDbCWYNN2m4xZFtt%0A-----END%20CERTIFICATE-----%0A";Subject="";URI=spiffe://fc9a08ef-efb4-bbc9-b3ec-b93e768abfc2.consul/ns/default/dc/primary/svc/s1,By=spiffe://ca9857da-71aa-c5be-ec8f-abcd90cae693.consul/ns/default/dc/alpha/svc/s2;Hash=1db4ea1e68df1ea0cec7d7ba882ca734d3e1a29a0fe64e73275b6ab796234295;Cert="-----BEGIN%20CERTIFICATE-----%0AMIICEjCCAbmgAwIBAgIBDDAKBggqhkjOPQQDAjAxMS8wLQYDVQQDEyZwcmktMXky%0AZXVpbHkuY29uc3VsLmNhLmNhOTg1N2RhLmNvbnN1bDAeFw0yMjEyMjIxNTIzMDVa%0AFw0yMjEyMjUxNTIzMDVaMAAwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAAROaLaT%0A%2BzyYZKfujWX4vOde%2BnnsGP3z0xaEGQFbgi%2BGU%2BrFfMdadzYF1oXDItS%2FpuBADuha%0Ao0iH2i2aRPUbTm4Ko4HyMIHvMA4GA1UdDwEB%2FwQEAwIDuDAdBgNVHSUEFjAUBggr%0ABgEFBQcDAgYIKwYBBQUHAwEwDAYDVR0TAQH%2FBAIwADApBgNVHQ4EIgQgWTznn%2BPz%0A4eNoiwdO%2FID3uqbyiBJBFbZFAGs7m5KnoCkwKwYDVR0jBCQwIoAgAdVe5N4m4Qlv%0Afgp9tvw0MGq7puWWuLfiw7qghdr1VDIwWAYDVR0RAQH%2FBE4wTIZKc3BpZmZlOi8v%0AY2E5ODU3ZGEtNzFhYS1jNWJlLWVjOGYtYWJjZDkwY2FlNjkzLmNvbnN1bC9nYXRl%0Ad2F5L21lc2gvZGMvYWxwaGEwCgYIKoZIzj0EAwIDRwAwRAIgJu5Z6O10nQe9HAzk%0ARonRMODgENawDHbErpkQ1q91ZTYCIEHccGIEp3OybkvkmIB9s%2Bu%2FbguUjJ4ZKAiD%0AV0dKf1Ao%0A-----END%20CERTIFICATE-----%0A";Chain="-----BEGIN%20CERTIFICATE-----%0AMIICEjCCAbmgAwIBAgIBDDAKBggqhkjOPQQDAjAxMS8wLQYDVQQDEyZwcmktMXky%0AZXVpbHkuY29uc3VsLmNhLmNhOTg1N2RhLmNvbnN1bDAeFw0yMjEyMjIxNTIzMDVa%0AFw0yMjEyMjUxNTIzMDVaMAAwWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAAROaLaT%0A%2BzyYZKfujWX4vOde%2BnnsGP3z0xaEGQFbgi%2BGU%2BrFfMdadzYF1oXDItS%2FpuBADuha%0Ao0iH2i2aRPUbTm4Ko4HyMIHvMA4GA1UdDwEB%2FwQEAwIDuDAdBgNVHSUEFjAUBggr%0ABgEFBQcDAgYIKwYBBQUHAwEwDAYDVR0TAQH%2FBAIwADApBgNVHQ4EIgQgWTznn%2BPz%0A4eNoiwdO%2FID3uqbyiBJBFbZFAGs7m5KnoCkwKwYDVR0jBCQwIoAgAdVe5N4m4Qlv%0Afgp9tvw0MGq7puWWuLfiw7qghdr1VDIwWAYDVR0RAQH%2FBE4wTIZKc3BpZmZlOi8v%0AY2E5ODU3ZGEtNzFhYS1jNWJlLWVjOGYtYWJjZDkwY2FlNjkzLmNvbnN1bC9nYXRl%0Ad2F5L21lc2gvZGMvYWxwaGEwCgYIKoZIzj0EAwIDRwAwRAIgJu5Z6O10nQe9HAzk%0ARonRMODgENawDHbErpkQ1q91ZTYCIEHccGIEp3OybkvkmIB9s%2Bu%2FbguUjJ4ZKAiD%0AV0dKf1Ao%0A-----END%20CERTIFICATE-----%0A";Subject="";URI=spiffe://ca9857da-71aa-c5be-ec8f-abcd90cae693.consul/gateway/mesh/dc/alpha`, trustDomain: "fc9a08ef-efb4-bbc9-b3ec-b93e768abfc2.consul", namespace: "default", datacenter: "primary", service: "s1", }, } re := regexp.MustCompile(downstreamServiceIdentityMatcher) for n, c := range cases { t.Run(n, func(t *testing.T) { matches := re.FindAllStringSubmatch(c.xfcc, -1) require.Len(t, matches, 1) m := matches[0] require.Equal(t, c.trustDomain, m[1]) require.Equal(t, c.partition, m[2]) require.Equal(t, c.namespace, m[3]) require.Equal(t, c.datacenter, m[4]) require.Equal(t, c.service, m[5]) }) } }